Cooling Unit For Cold Storage
Product Advantages
High-Capacity Airflow & Balanced Temperature Distribution
The D15.0E4.5 cooling unit for cold storage is designed specifically for medium-and-high temperature storage applications requiring dependable and high-capacity thermal control. Configured with dual heavy-duty 400 mm external rotor fans, this ceiling-mounted evaporator produces a powerful, uniform air volume that covers medium-to-large interior areas without leaving stagnant pockets of warm air. For modern warehousing operators seeking a robust cooling unit for cold storage, this system offers immediate temperature drawdown, securing food freshness and commercial stock stability.
Staggered-Row Geometry & Enhanced Heat Transfer
In larger commercial refrigeration infrastructure, maintaining strict temperature ranges while containing electrical usage requires optimized evaporator internal physics. The core of this cooling unit for cold storage leverages an inner-grooved copper tube layout that dramatically increases the refrigerant contact surface area and minimizes oil film thermal resistance. These tubes are structured in an industry-proven staggered orientation alongside 4.5 mm pitch sine-wave aluminum fins with open-window contours, significantly compounding the overall heat exchange velocity within a compact spatial layout.
Anti-Corrosion Enclosure & Complete Electric Defrosting
Engineered to resist the corrosive effects of constant low-temperature moisture, the system is encased in premium prepainted steel and tightly fitted aluminum tube sheets. This cooling unit for cold storage relies on a thoroughly distributed electric defrost setup featuring high-insulation stainless steel heating elements fitted across the coil block and independently inside the drainage pan to clear ice cleanly. Furthermore, the complete assembly passes a strict 2.8 MPa clean air pressure verification test at the factory to guarantee leak-proof safety across various fluorinated refrigerant architectures.
Product Images
Technical Specifications
| Parameter |
Value |
| Model |
D15.0E4.5 |
| Nominal Cooling Capacity |
15 KW |
| Air Volume |
2*3900 m³/h |
| Fan Power |
2*180 W |
| Voltage |
380 V |
| Liquid Inlet / Suction Outlet |
16 mm / 28 mm |
| Defrost Power |
6 KW |
Company Profile
Ruifujie is a modernized, large-scale manufacturing enterprise backed by over 20 years of expertise in the commercial refrigeration industry. We specialize in the development and production of scroll, piston, rotary, semi-hermetic, and screw refrigeration compressors, alongside an extensive range of cold room walk-in coolers, blast freezers, and industrial ice machines. Empowered by robust technical capability, our factory provides comprehensive OEM/ODM customization services tailored to unique client requirements worldwide. Today, Ruifujie products are exported across the globe--including Russia, the United States, the United Kingdom, the UAE, and Saudi Arabia--earning an outstanding reputation for excellent cost-effectiveness and exceptional stability.
Packaging and Shipping
FAQ
Q1: How does the open-window sine-wave fin design benefit the overall thermal dynamics?
The specialized windowed cuts on the sine-wave fin surfaces create local micro-turbulence in the airflow, which disrupts the thermal boundary layer and optimizes air-to-fin heat conduction without adding extra fan power consumption.
Q2: What is the benefit of the independent drain pan heating element layout during defrost?
By separating the water pan's heating tube from the main coil elements, heat is delivered directly to the lowest point. This guarantees that melting frost remains completely liquid and flows smoothly out of the drainage port, preventing water from refreezing in the pan.
Q3: Can this evaporator operate with alternative long-term synthetic refrigerants?
Yes, the unit is constructed to match high-pressure and low-pressure demands alike, making it universally applicable for multi-refrigerant platforms including R507A, R404A, R23, R134a, and R22.
Q4: What is your minimum order quantity and the typical dispatch schedule?
For items currently held in stock, there is no MOQ constraint, and standard sample orders can be shipped out within 3 days. Complete commercial freight orders take roughly 10 to 15 business days.
Q5: What standard incoterms and settlement protocols do you extend to overseas clients?
Our standard export transactions are operated under FOB Shenzhen or EXW terms, with all commercial invoices settled in US Dollars via secure Wire Transfer (T/T) or Western Union.
Volume-Based Quotation
Ruifujie maintains automated structural manufacturing lines that provide competitive pricing structures for high-volume cold chain acquisitions and distributor fulfillment contracts. Send over your total requested order volume, regional electrical standards, and intended target shipping port, and our international commerce team will generate an official itemized price schedule within 8 hours.
